Java XML

Working with XML (eXtensible Markup Language) in Java typically involves parsing XML documents to extract information or creating XML documents from Java objects.

Java provides several libraries and APIs for handling XML data.

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Tutorials

How XPath converts a path result for existence checks: boolean() gives true or false, count() gives a number, and string() gives an empty string for both missing and empty nodes

XPath: Check if a Node or Attribute Exists in Java

Check if a node or attribute exists with XPath in Java using boolean(), NODESET, NODE or count(), and tell missing elements from empty ones.

Java XPath Find Nodes by Attribute Value (With Examples)

Use XPath to find nodes by attribute value in Java. Equality, numbers, contains, starts-with, missing attributes, any-case matches and safe variables.

Java Convert XML Document to String and Write XML File

Java convert XML Document to String with Transformer, pretty print without blank lines, drop the declaration and write an XML file with the right encoding.

Java Convert String to XML Document (DOM, Secure Parsing)

Java convert String to XML Document with DocumentBuilder and InputSource. Secure parsing, malformed input, prolog errors, encodings and reuse explained.

Convert XML to Properties and Properties to XML in Java

Convert XML to properties in Java with loadFromXML() and store(), and back with storeToXML(), plus encoding, escaping, key order and flattening any XML.

Java StAX Parser: Read XML with Cursor and Iterator APIs

Learn the Java StAX parser with XMLStreamReader and XMLEventReader examples, cursor vs iterator, XXE-safe factory settings and XMLStreamWriter on Java 25.

Read XML With JDOM2 in Java: SAXBuilder, XPath, Examples

Read XML with JDOM2 in Java. Secure SAXBuilder setup, elements, attributes, namespaces, XPath with Jaxen, writing back and library status on Java 25.

Java XPath NamespaceContext: Namespace Resolution Example

Resolve prefixes with a Java XPath NamespaceContext. Map-based resolver, default namespace, namespaced attributes, nested prefixes and local-name().

Read XML File in Java using DOM Parser (with Examples)

Read an XML file in Java with the DOM parser. Get elements, attributes and nested nodes into records, use XPath, block XXE, and compare SAX and StAX.

DOM vs SAX vs StAX Parser in Java: Differences and Examples

DOM vs SAX parser in Java with code for each, plus StAX, a comparison of memory, speed and features, a decision guide and secure XXE settings.

Java SAX Parser: Read XML with DefaultHandler (Examples)

Read XML with the Java SAX parser and DefaultHandler, buffer characters() text correctly, block XXE, validate with XSD and stop parsing early on Java 25.

Java XPath Get Attribute Value (String, List, Number)

Java XPath get attribute value examples with @ in the expression. Read one value, all values as a List, numbers, missing attributes and secure parsing.

Java XPath Tutorial With Examples (javax.xml.xpath)

Java XPath tutorial with runnable examples of XPath syntax, data types, evaluateExpression, namespaces, variables, secure parsing and thread safety.